The 4.11.3 release brings a large number of fixes:
https://xenproject.org/downloads/xen-project-archives/xen-project-4-11-series/xen-project-4-11-3/
Including a number of security fixes:
XSA-298: missing descriptor table limit checking in x86 PV emulation
(CVE-2019-18425)
XSA-299: Issues with restartable PV type change operations (CVE-2019-18421)
XSA-301: add-to-physmap can be abused to DoS Arm hosts (CVE-2019-18423)
XSA-302: passed through PCI devices may corrupt host memory after
deassignment (CVE-2019-18424)
XSA-303: ARM: Interrupts are unconditionally unmasked in exception handlers
(CVE-2019-18422)
XSA-304: x86: Machine Check Error on Page Size Change DoS (CVE-2018-12207)
XSA-305: TSX Asynchronous Abort speculative side channel (CVE-2019-11135)
XSA-306: Device quarantine for alternate pci assignment methods
(CVE-2019-19579)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
00986efc49